[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15087109#comment-15087109
]
Rohith Sharma K S commented on YARN-4306:
-
After HADOOP-12687, this test case is passing. We can close it as duplicate of
HADOOP-12687.
Test case reference that is passing in HadoopQA
[report|https://issues.apache.org/jira/browse/YARN-4538?focusedCommentId=15087024=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15087024]
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15085444#comment-15085444
]
Rohith Sharma K S commented on YARN-4306:
-
Verified the test by patching HADOOP-12687 in ubuntu. The test cases are
passing. We can wait for HADOOP-12687 get committed and close this JIRA
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15030122#comment-15030122
]
Sunil G commented on YARN-4306:
---
Analysis:
>From {{SecurityUtil#getByName}},
{code}
// it's a simple host with no dots, ex. "host"
// try the search list, then fallback to exact host
InetAddress loopback = InetAddress.getByName(null);
if (host.equalsIgnoreCase(loopback.getHostName())) {
addr = InetAddress.getByAddress(host, loopback.getAddress());
} else {
addr = getByNameWithSearch(host);
if (addr == null) {
addr = getByExactName(host);
}
}
{code}
This code will hit while trying to resolve hostname to IP Address (For eg:
Hostname is "sunil-Inspiron-3543").
Also a my "/etc/hosts" will look like below:
{noformat}
127.0.0.1 localhost
127.0.1.1 sunil-Inspiron-3543
{noformat}
When I debugged this, I could see that {{InetAddress.getByName(null)}} returns
"localhost" and comparision fails as my hostname is "sunil-Inspiron-3543".
This will take the code to hit the method {{getByNameWithSearch}} and
subsequently {{getByExactName}} as getByNameWithSearch will also fail (no DNS
is configured).
{code}
InetAddress getByExactName(String host) {
InetAddress addr = null;
// InetAddress will use the search list unless the host is rooted
// with a trailing dot. The trailing dot will disable any use of the
// search path in a lower level resolver. See RFC 1535.
String fqHost = host;
if (!fqHost.endsWith(".")) fqHost += ".";
try {
addr = getInetAddressByName(fqHost);
...
{code}
Since {{if (!fqHost.endsWith(".")) fqHost += ".";}} is performed before
{{getInetAddressByName}}, this lookup also will fail. If this is not added,
then lookup is coming successful. This causes the test failure. Basically an
*UnKnownHostException* causing test failures.
Solution:
1, loopback address configuration can be changed to use hostname
2, use DNS in local machine
3, we can make changes in {{getByExactName}} where we check with given hostname
itself before doing with *hostname + "."*.
Kindly help to share your thoughts.
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15030129#comment-15030129
]
Sunil G commented on YARN-4306:
---
[~ozawa] [~djp] Could you please help to check the analysis. Thank you.
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15024298#comment-15024298
]
Tsuyoshi Ozawa commented on YARN-4306:
--
This problem still continues on trunk - [~sunilg], could you take a look at
this problem?
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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[jira] [Commented] (YARN-4306) Test failure: TestClientRMTokens
[
https://issues.apache.org/jira/browse/YARN-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15024335#comment-15024335
]
Sunil G commented on YARN-4306:
---
Yes. I am looking in this. Will update shortly. Thank you.
> Test failure: TestClientRMTokens
>
>
> Key: YARN-4306
> URL: https://issues.apache.org/jira/browse/YARN-4306
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
>Reporter: Sunil G
>Assignee: Sunil G
>
> Tests are getting failed in local also. As part of HADOOP-12321 jenkins run,
> I see same error.:
> {noformat}testShortCircuitRenewCancelDifferentHostSamePort(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
> Time elapsed: 0.638 sec <<< FAILURE!
> java.lang.AssertionError: expected: but was:
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.checkShortCircuitRenewCancel(TestClientRMTokens.java:363)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testShortCircuitRenewCancelDifferentHostSamePort(TestClientRMTokens.java:316)
> {noformat}
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